- 
								[1]
								B. Aubert et al (BaBar Collaboration), Phys. Rev. Lett., 95:142001 (2005) 
- 
								[2]
								S. K. Choi et al (Belle Collaboration), Phys. Rev. Lett., 91:262001 (2003) 
- 
								[3]
								B. Aubert et al (BaBar Collaboration), Phys. Rev. Lett., 98:212001 (2007) 
- 
								[4]
								X. L. Wang et al (Belle Collaboration), Phys. Rev. Lett., 99:142002 (2007) 
- 
								[5]
								S. Uehara et al (Belle Collaboration), Phys. Rev. Lett., 104:092001 (2010) 
- 
								[6]
								L. P. He, D. Y. Chen, X. Liu et al, Eur. Phys. J. C, 74: 3208(2014) 
- 
								[7]
								M. Ablikim et al (BESIII Collaboration), Phys. Rev. Lett.,114: 092003 (2015) 
- 
								[8]
								R. Faccini, G. Filaci, A. L. Guerrieri et al, Phys. Rev. D, 91:117501 (2015) 
- 
								[9]
								D. Y. Chen, X. Liu, and T. Matsuki, Phys. Rev. D, 91: 094023(2015) 
- 
								[10]
								X. Li and M. B. Voloshin, Phys. Rev. D, 91: 034004 (2015) 
- 
								[11]
								T. Iwashita et al (Belle Collaboration), Prog. Theor. Exp. Phys., 043C01 (2014) 
- 
								[12]
								X. L. Wang et al (Belle Collaboration), Phys. Rev. D, 87:051101(R) (2013) 
- 
								[13]
								K. A. Olive et al (Particle Data Group), Chin. Phys. C, 38:090001 (2014) 
- 
								[14]
								J. Beringer et al (Particle Data Group), Phys. Rev. D, 86:010001 (2012) 
- 
								[15]
								Y. B. Dong, Y. W. Yu, Z. Y. Zhang et al, Phys. Rev. D, 49:1642 (1994) 
- 
								[16]
								B. Q. Li and K. T. Chao, Phys. Rev. D, 79: 094004 (2009)